Unit Test — Unit test Answers

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Which statement best describes a characteristic of deposition?

A
Sediment settles in a new place due to size, water speed, and land shape.
B
Sediment is removed from a new surface location.
C
Moving water affects where sediment travels.
D
Rocks are broken into smaller particles.
3

How do erosion and deposition work together to form sand dunes?

A
Waves cause erosion along coastlines and deposit sand away from the shore.
B
Erosion occurs as surface water carries sediment and the sediment is deposited near oceans and lakes.
C
Glaciers cause erosion through the movement of large chunks of ice, which are deposited and form depressions.
D
Erosion occurs through deflation, and sand that was picked up is deposited against an obstruction.
5

How do erosion and deposition work together to create a moraine?

A
Waves cause erosion along coastlines and deposit sand away from the shore.
B
Surface water in rivers causes erosion, carrying sediment that gets deposited near an ocean.
C
Glaciers cause erosion as they melt, carrying sediment that gets deposited in a thick layer.
D
Winds cause erosion by blowing around sand that gets deposited in large piles.
6

Which process is responsible for changing the composition of rock?

A
erosion
B
abrasion
C
chemical weathering
D
mechanical weathering
7

Which condition leads to a slower rate of weathering?

A
porous rocks
B
cold climates
C
hard minerals
D
high temperatures
8

Some consumers, like lions, do not eat plants or any other producers. They only eat other animals.How do lions obtain the carbon they need?

A
by eating animals that have carbon-based molecules stored in their bodies
B
by breathing it in from the atmosphere in the form of carbon dioxide
C
by absorbing carbon-based molecules through their skin from the soil
D
by drinking water that contains carbon dioxide
9

Which describes sand?

A
fine-grained
B
retains water
C
water drains quickly
D
good for growing crops
11

Which feature is created by deposition from rivers?

A
rills
B
meanders
C
alluvial fans
D
gullies
12

The diagram illustrates the water cycle.

Question illustration
A
precipitation
B
evaporation
C
condensation
D
transpiration
13

Which particle has a high rate of deposition?

A
a low-density particle
B
a small particle falling off a cliff
C
a particle with jagged, rough ends
D
a large round particle settling on a surface
14

Which correctly lists the three processes that are affected by freeze and thaw cycles?

A
creep, landslide, and deposition
B
deposition, creep, and weathering
C
landslide, slump, and deposition
D
slump, weathering, and creep
15

Rosa drew a flow chart of the carbon cycle.

Question illustration
A
X: Producers undergo photosynthesis.Y: Decomposers return carbon to the soil and release waste.
B
X: Decomposers return carbon to the soil and release waste.Y: Producers undergo photosynthesis.
C
X: Decomposers take in carbon dioxide.Y: Producers absorb carbon through their roots.
D
X: Producers absorb carbon through their roots.Y: Decomposers take in carbon dioxide.
17

The map shows the Soils of America.

Question illustration
A
frozen
B
sandy
C
weathered
D
young

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